src/hotspot/share/services/nmtDCmd.hpp
author phh
Sat, 30 Nov 2019 14:33:05 -0800
changeset 59330 5b96c12f909d
parent 53244 9807daeb47c4
permissions -rw-r--r--
8234541: C1 emits an empty message when it inlines successfully Summary: Use "inline" as the message when successfull Reviewed-by: thartmann, mdoerr Contributed-by: navy.xliu@gmail.com

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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#ifndef SHARE_SERVICES_NMTDCMD_HPP
#define SHARE_SERVICES_NMTDCMD_HPP

#if INCLUDE_NMT

#include "services/diagnosticArgument.hpp"
#include "services/diagnosticFramework.hpp"
#include "services/memBaseline.hpp"
#include "services/mallocTracker.hpp"

/**
 * Native memory tracking DCmd implementation
 */
class NMTDCmd: public DCmdWithParser {
 protected:
  DCmdArgument<bool>  _summary;
  DCmdArgument<bool>  _detail;
  DCmdArgument<bool>  _baseline;
  DCmdArgument<bool>  _summary_diff;
  DCmdArgument<bool>  _detail_diff;
  DCmdArgument<bool>  _shutdown;
  DCmdArgument<bool>  _statistics;
  DCmdArgument<char*> _scale;

 public:
  NMTDCmd(outputStream* output, bool heap);
  static const char* name() { return "VM.native_memory"; }
  static const char* description() {
    return "Print native memory usage";
  }
  static const char* impact() {
    return "Medium";
  }
  static const JavaPermission permission() {
    JavaPermission p = {"java.lang.management.ManagementPermission",
                        "monitor", NULL};
    return p;
  }
  static int num_arguments();
  virtual void execute(DCmdSource source, TRAPS);

 private:
  void report(bool summaryOnly, size_t scale);
  void report_diff(bool summaryOnly, size_t scale);

  size_t get_scale(const char* scale) const;

  // check if NMT running at detail tracking level
  bool check_detail_tracking_level(outputStream* out);
};

#endif // INCLUDE_NMT

#endif // SHARE_SERVICES_NMTDCMD_HPP